XSS in Revealjs Reveal.js
CVE-2020-8127
Insufficient validation in cross-origin communication (postMessage) in reveal.js version 3.9.1 and earlier allow attackers to perform cross-site scripting attacks.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.012 (67.0th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 67th percentile — 67.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.012 · newest: 0.012 · change: 0.000
Affected products
- Revealjs Reveal.js
- Reveal.js — versions Fixed version: 3.9.2
Weakness classification (CWE)
Public proof-of-concept exploits
References
- hackerone.com/reports/691977 (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-8127?
- CVE-2020-8127 is a medium-severity vulnerability in Revealjs Reveal.js, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2020-02-28.
- How severe is CVE-2020-8127?
- Medium severity. CVSS v3 base score is 6.1 out of 10.
- Is CVE-2020-8127 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.